Only enable license tasks if header.txt exists.
Only enable license tasks if header.txt exists.

marioestradarosa/axelor-development-kit,axelor/axelor-development-kit,axelor/axelor-development-kit,axelor/axelor-development-kit,marioestradarosa/axelor-development-kit,donsunsoft/axelor-development-kit,axelor/axelor-development-kit,donsunsoft/axelor-development-kit,donsunsoft/axelor-development-kit,marioestradarosa/axelor-development-kit,donsunsoft/axelor-development-kit,marioestradarosa/axelor-development-kit